10012221212 has 12 divisors (see below), whose sum is σ = 20024442480. Its totient is φ = 4290951936.

The previous prime is 10012221181. The next prime is 10012221223. The reversal of 10012221212 is 21212221001.

10012221212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

10012221212 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178789637 + ... + 178789692.

It is an arithmetic number, because the mean of its divisors is an integer number (1668703540).

Almost surely, 2^10012221212 is an apocalyptic number.

It is an amenable number.

10012221212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10012221212 is a wasteful number, since it uses less digits than its factorization.

10012221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357579340 (or 357579338 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10012221212 its reverse (21212221001), we get a palindrome (31224442213).

The spelling of 10012221212 in words is "ten billion, twelve million, two hundred twenty-one thousand, two hundred twelve".